You can fill Army open rally form, you can tell them that your name has been wrongly printed in India Aadhar card. You should also carry additional proof in place of Aadhar card. You can even go and change your Aadhar Card name and it will be changed within few days. For changing Aadhar Card name you can either visit the UIDAI website or the Aadhar Kendra. Your name and date of birth will be accepted only which are on your marksheet and not anything else. The 10th marksheet is most important and name and date of birth written on that will only be considered.